jilo-web/app/classes/user.php

287 lines
8.5 KiB
PHP

<?php
class User {
private $db;
public function __construct($database) {
$this->db = $database->getConnection();
}
// registration
public function register($username, $password) {
$hashedPassword = password_hash($password, PASSWORD_DEFAULT);
$query = $this->db->prepare("INSERT INTO users (username, password) VALUES (:username, :password)");
$query->bindParam(':username', $username);
$query->bindParam(':password', $hashedPassword);
return $query->execute();
}
// login
public function login($username, $password) {
$query = $this->db->prepare("SELECT * FROM users WHERE username = :username");
$query->bindParam(':username', $username);
$query->execute();
$user = $query->fetch(PDO::FETCH_ASSOC);
if ( $user && password_verify($password, $user['password'])) {
$_SESSION['user_id'] = $user['id'];
$_SESSION['username'] = $user['username'];
return true;
} else {
return false;
}
}
// get user ID from username
// FIXME not used now?
public function getUserId($username) {
$sql = 'SELECT id FROM users WHERE username = :username';
$query = $this->db->prepare($sql);
$query->bindParam(':username', $username);
$query->execute();
return $query->fetchAll(PDO::FETCH_ASSOC);
}
// get user details
public function getUserDetails($user_id) {
$sql = 'SELECT
um.*,
u.username
FROM
users_meta um
LEFT JOIN users u
ON um.user_id = u.id
WHERE
u.id = :user_id';
$query = $this->db->prepare($sql);
$query->execute([
':user_id' => $user_id,
]);
return $query->fetchAll(PDO::FETCH_ASSOC);
}
// add user right
public function addUserRight($user_id, $right_id) {
$sql = 'INSERT INTO users_rights
(user_id, right_id)
VALUES
(:user_id, :right_id)';
$query = $this->db->prepare($sql);
$query->execute([
':user_id' => $user_id,
':right_id' => $right_id,
]);
}
// remove user right
public function removeUserRight($user_id, $right_id) {
$sql = 'DELETE FROM users_rights
WHERE
user_id = :user_id
AND
right_id = :right_id';
$query = $this->db->prepare($sql);
$query->execute([
':user_id' => $user_id,
':right_id' => $right_id,
]);
}
// get all rights
public function getAllRights() {
$sql = 'SELECT
id AS right_id,
name AS right_name
FROM rights
ORDER BY id ASC';
$query = $this->db->prepare($sql);
$query->execute();
return $query->fetchAll(PDO::FETCH_ASSOC);
}
// get user rights
public function getUserRights($user_id) {
$sql = 'SELECT
u.id AS user_id,
r.id AS right_id,
r.name AS right_name
FROM
users u
LEFT JOIN users_rights ur
ON u.id = ur.user_id
LEFT JOIN rights r
ON ur.right_id = r.id
WHERE
u.id = :user_id';
$query = $this->db->prepare($sql);
$query->execute([
':user_id' => $user_id,
]);
$result = $query->fetchAll(PDO::FETCH_ASSOC);
// ensure specific entries are included in the result
$specialEntries = [];
// user 1 is always superuser
if ($user_id == 1) {
$specialEntries = [
[
'user_id' => 1,
'right_id' => 1,
'right_name' => 'superuser'
]
];
// user 2 is always demo
} elseif ($user_id == 2) {
$specialEntries = [
[
'user_id' => 2,
'right_id' => 100,
'right_name' => 'demo user'
]
];
}
// merge the special entries with the existing results
$result = array_merge($specialEntries, $result);
// remove duplicates if necessary
$result = array_unique($result, SORT_REGULAR);
// return the modified result
return $result;
}
// check if the user has a specific right
function hasRight($user_id, $right_name) {
$userRights = $this->getUserRights($user_id);
$userHasRight = false;
// superuser always has all the rights
if ($user_id === 1) {
$userHasRight = true;
}
foreach ($userRights as $right) {
if ($right['right_name'] === $right_name) {
$userHasRight = true;
break;
}
}
return $userHasRight;
}
// update an existing user
public function editUser($user_id, $updatedUser) {
try {
$sql = 'UPDATE users_meta SET
name = :name,
email = :email,
bio = :bio
WHERE user_id = :user_id';
$query = $this->db->prepare($sql);
$query->execute([
':user_id' => $user_id,
':name' => $updatedUser['name'],
':email' => $updatedUser['email'],
':bio' => $updatedUser['bio']
]);
return true;
} catch (Exception $e) {
return $e->getMessage();
}
}
// remove an avatar
public function removeAvatar($user_id, $old_avatar = '') {
try {
// remove from database
$sql = 'UPDATE users_meta SET
avatar = NULL
WHERE user_id = :user_id';
$query = $this->db->prepare($sql);
$query->execute([
':user_id' => $user_id,
]);
// delete the old avatar file
if ($old_avatar && file_exists($old_avatar)) {
unlink($old_avatar);
}
return true;
} catch (Exception $e) {
return $e->getMessage();
}
}
// change an avatar
public function changeAvatar($user_id, $avatar_file, $avatars_path) {
try {
// check if the file was uploaded
if (isset($avatar_file) && $avatar_file['error'] === UPLOAD_ERR_OK) {
$fileTmpPath = $avatar_file['tmp_name'];
$fileName = $avatar_file['name'];
$fileExtension = strtolower(pathinfo($fileName, PATHINFO_EXTENSION));
// validate file extension
if (in_array($fileExtension, ['jpg', 'png', 'jpeg'])) {
$newFileName = md5(time() . $fileName) . '.' . $fileExtension;
$dest_path = $avatars_path . $newFileName;
// move the file to avatars folder
if (move_uploaded_file($fileTmpPath, $dest_path)) {
try {
// update user's avatar path in DB
$sql = 'UPDATE users_meta SET
avatar = :avatar
WHERE user_id = :user_id';
$query = $this->db->prepare($sql);
$query->execute([
':avatar' => $newFileName,
':user_id' => $user_id
]);
// all went OK
$_SESSION['notice'] .= 'Avatar updated successfully. ';
return true;
} catch (Exception $e) {
return $e->getMessage();
}
} else {
$_SESSION['error'] .= 'Error moving the uploaded file. ';
}
} else {
$_SESSION['error'] .= 'Invalid avatar file type. ';
}
} else {
$_SESSION['error'] .= 'Error uploading the avatar file. ';
}
} catch (Exception $e) {
return $e->getMessage();
}
}
}
?>